... 10 A1 , 10 A2 and 11 CB4 at Thanh Binh 1 High School. Three of the teachers have more than 7 years in teaching. One has more than 30 years in teaching. Other has 18 years in teaching .In general, ... Thap University. 3.2.2. The subjects The subjects of the study are English 10 and 11 textbook, five teachers of English 10 and 11 , and 18 6 students of grades 11 including 11 A1 , 11 A2 , 11 A3 , 10 A1 , ... (Rivers, 19 64, 19 68 and 19 76 a; Holley and King, 19 71; George, 19 72 18 a; Chastain, 19 76; Krashen, 19 87; Doff, 19 88; Allwright and Bailey, 19 91; Lewis, 19 93; Nunan and Lamb, 19 96; Ur, 19 96; Ancker,...